/*

 * Licensed to the Apache Software Foundation (ASF) under one

 * or more contributor license agreements.  See the NOTICE file

 * distributed with this work for additional information

 * regarding copyright ownership.  The ASF licenses this file

 * to you under the Apache License, Version 2.0 (the

 * "License"); you may not use this file except in compliance

 * with the License.  You may obtain a copy of the License at

 *

 *     http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

package com.bff.gaia.unified.sdk.testing;



import org.hamcrest.BaseMatcher;

import org.hamcrest.Description;



import java.util.regex.Pattern;



/** Hamcrest matcher to assert a string matches a pattern. */

public class RegexMatcher extends BaseMatcher<String> {

  private final Pattern pattern;



  public RegexMatcher(String regex) {

    this.pattern = Pattern.compile(regex);

  }



  @Override

  public boolean matches(Object o) {

    if (!(o instanceof String)) {

      return false;

    }

    return pattern.matcher((String) o).matches();

  }



  @Override

  public void describeTo(Description description) {

    description.appendText(String.format("matches regular expression %s", pattern));

  }



  public static RegexMatcher matches(String regex) {

    return new RegexMatcher(regex);

  }

}